[liboblog] support storage work mode

tools/obcdc/src/libobcdc.cpp

@@ -0,0 +1,62 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
+#include "libobcdc.h"
+
+#include <locale.h>
+#include <curl/curl.h>
+#include "lib/allocator/ob_malloc.h"    // ob_set_memory_size_limit
+#include "lib/utility/utility.h"        // get_phy_mem_size
+
+#include "ob_log_common.h"          // MAX_MEMORY_USAGE_PERCENT
+#include "ob_log_instance.h"        // ObLogInstance
+
+using namespace oceanbase::common;
+namespace oceanbase
+{
+namespace liboblog
+{
+
+ObLogFactory::ObLogFactory()
+{
+  // set max memory limit
+  lib::set_memory_limit(get_phy_mem_size() * MAX_MEMORY_USAGE_PERCENT / 100);
+
+  CURLcode curl_code = curl_global_init(CURL_GLOBAL_ALL);
+
+  if (OB_UNLIKELY(CURLE_OK != curl_code)) {
+    OBLOG_LOG(ERROR, "curl_global_init fail", K(curl_code));
+  }
+
+  setlocale(LC_ALL, "");
+  setlocale(LC_TIME, "en_US.UTF-8");
+}
+
+ObLogFactory::~ObLogFactory()
+{
+  curl_global_cleanup();
+}
+
+IObLog *ObLogFactory::construct_oblog()
+{
+  return ObLogInstance::get_instance();
+}
+
+void ObLogFactory::deconstruct(IObLog *log)
+{
+  UNUSED(log);
+
+  ObLogInstance::destroy_instance();
+}
+
+} // namespace liboblog
+} // namespace oceanbase